diff --git a/code/joinalgorithm tests/package-lock.json b/code/joinalgorithm tests/package-lock.json
index 3ff9f84..eeeb8a1 100644
--- a/code/joinalgorithm tests/package-lock.json	
+++ b/code/joinalgorithm tests/package-lock.json	
@@ -816,9 +816,9 @@
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     },
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-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
     },
     "lodash-joins": {
       "version": "2.0.3",